Sir John Murray may refer to:
Sir John Murray, 8th Baronet (c. 1768 – 1827), British general Sir John Murray of Broughton, 7th Baronet Stanhope (c. 1718 – 1777), Scottish Jacobite Sir John Irvine Murray (1826–1902), Scottish general who raised the 14th Murray's Jat Lancers Sir John Murray (oceanographer) (1841–1914), Scottish oceanographer Sir John Macgregor Murray, 1st Baronet, Scottish army officer